package com.whmaster.tl.whmaster.utils;

import android.content.Context;
import android.util.DisplayMetrics;
import android.view.WindowManager;

public class ScreenUtils {
	private ScreenUtils()  
    {  
        /* cannot be instantiated */  
        throw new UnsupportedOperationException("cannot be instantiated");
    }
	/** 
     * 获得屏幕高度 
     *  
     * @param context 
     * @return 
     */  
    public static int getScreenWidth(Context context)
    {  
        WindowManager wm = (WindowManager) context
                .getSystemService(Context.WINDOW_SERVICE);
        DisplayMetrics outMetrics = new DisplayMetrics();
        wm.getDefaultDisplay().getMetrics(outMetrics);  
        return outMetrics.widthPixels;  
    }  
  
    /** 
     * 获得屏幕宽度 
     *  
     * @param context 
     * @return 
     */  
    public static int getScreenHeight(Context context)
    {  
        WindowManager wm = (WindowManager) context
                .getSystemService(Context.WINDOW_SERVICE);
        DisplayMetrics outMetrics = new DisplayMetrics();
        wm.getDefaultDisplay().getMetrics(outMetrics);  
        return outMetrics.heightPixels;  
    }  
    /** 
     * 获得状态栏的高度 
     *  
     * @param context 
     * @return 
     */  
    public static int getStatusHeight(Context context)
    {  
  
        int statusHeight = -1;  
        try  
        {  
            Class<?> clazz = Class.forName("com.android.internal.R$dimen");
            Object object = clazz.newInstance();
            int height = Integer.parseInt(clazz.getField("status_bar_height")
                    .get(object).toString());  
            statusHeight = context.getResources().getDimensionPixelSize(height);  
        } catch (Exception e)
        {  
            e.printStackTrace();  
        }  
        return statusHeight;  
    }  
}
